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A328250 as a triangular array

4
81
1229
1631850
2052599306
246451255495831
277492071611684920230
2810633432662142253302652283
32117537528421629947107225998286891
361390531289119431498061336047129275010820131
401498686457521231117649142227528869822162809838452606

A328250 as a square array

48121620242728323640
12356710111314
91825454963759098
5099125207343375531686
30654916112662284228914575
5831684914225162991943121231
20230330264710749806117649
5228322599813360471422275
28689112927502886982
1082013121628098
38452606
48121620242728323640
12356710111314
91825454963759098
5099125207343375531686
30654916112662284228914575
5831684914225162991943121231
20230330264710749806117649
5228322599813360471422275
28689112927502886982
1082013121628098
38452606